KR900005200A - Information equipment using laser light - Google Patents

Information equipment using laser light Download PDF

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Publication number
KR900005200A
KR900005200A KR1019890010768A KR890010768A KR900005200A KR 900005200 A KR900005200 A KR 900005200A KR 1019890010768 A KR1019890010768 A KR 1019890010768A KR 890010768 A KR890010768 A KR 890010768A KR 900005200 A KR900005200 A KR 900005200A
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South Korea
Prior art keywords
light
laser
fundamental wave
harmonic
laser light
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KR1019890010768A
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Korean (ko)
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KR910009133B1 (en
Inventor
스스무 사이또
아끼라 아리모도
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
원본미기재
히다찌 고끼 가부시기가이샤
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Publication of KR900005200A publication Critical patent/KR900005200A/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35Non-linear optics
    • G02F1/37Non-linear optics for second-harmonic generation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems

Abstract

내용 없음No content

Description

레이저광을 이용하는 정보기기Information equipment using laser light

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본원 발명의 일실시예인 레이저프린터를 나타내는 도면.1 is a view showing a laser printer as an embodiment of the present invention.

제2도는 레이저광의 파장과 레이저광빔스풋경과의 관계를 나타내는 도면.2 is a diagram showing a relationship between a wavelength of laser light and a laser beam beam diameter.

제3도는 제1도에 도시된 레이저프린터중의 파장분산성 소자로서 프리즘을 사용하는 경우의 프리즘의 일예를 나타내는 도면.FIG. 3 is a diagram showing an example of a prism in the case of using a prism as a wavelength dispersion element in the laser printer shown in FIG.

제4도는 제1도에 도시된 레이즈프린터중의 파장 분산성 소자로서 회절격자를 사용하는 경우의 회절격자의 일예를 나타내는 도면.4 is a diagram showing an example of a diffraction grating when a diffraction grating is used as the wavelength dispersing element in the laser printer shown in FIG.

Claims (15)

레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광(高調波光)으로 변환하는 변환소자와, 상기 변환소자에 의해서 변환된 레이저광을 받아들이는 광수용체와, 상기 변환소자와 상기 광수용체 사이의 광로(光路)중에 배설되고, 상기 고조파광은 상기 광수용체에 도달하나 상기 기본파광은 상기 광수용체에 도달하지 않도록, 상기 변환된 레이저광중에 포함되어 있던 상기 기본파광의 광로를 상기 고조파광의 광로로부터 분리하는 분산소자로 이루어지는 레이저광을 이용하는 정보기기.A laser light source, a conversion element that converts the laser fundamental wave light emitted from the laser light source into harmonic light, a light receptor that receives the laser light converted by the conversion element, the conversion element and the light receptor The optical path of the fundamental wave included in the converted laser light is disposed in the converted laser light so that the harmonic light reaches the photoreceptor but the fundamental wave does not reach the photoreceptor. An information device using a laser beam comprising a dispersion element separated from an optical path. 제1항에 있어서, 상기 분산소자가 프리즘으로 이루어지는 레이저광을 이용하는 정보기기.An information apparatus according to claim 1, wherein said dispersing element uses a laser beam made of a prism. 제1항에 있어서, 상기 분산소자가 회절격자로 이루어지는 레이저광을 이용하는 정보기기.An information apparatus according to claim 1, wherein said dispersing element uses a laser beam made of a diffraction grating. 레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광으로 변환하는 변환소자와, 상기 변환소자에 의해 변환된 레이저광을 받아들이는 광수용체와, 상기 변환소자와 상기 광수용체 사이의 광로중에 배설되고, 상기 고조파광은 통과시키나 상기 변환된 레이저광중에 포함되어 있던 상기 기본파광은 통과시키지 않는 편광특성을 가진 편광필터로 이루어지는 레이저광을 이용하는 정보기기.A laser light source, a conversion element for converting the laser fundamental wave light emitted from the laser light source into harmonic light, a photoreceptor for receiving the laser light converted by the conversion element, and an optical path between the conversion element and the photoreceptor An information apparatus using a laser beam comprising a polarizing filter which is excreted and passes the harmonic light but does not pass the fundamental wave light contained in the converted laser light. 제4항에 있어서, 상기 변환소자는 기본파광의 편광방향과 제2고조파광의 편광방향이 서로 직교하도록, 입사한 레이저기본파광을 제2고조파광으로 변환하는 비선형 광학결정으로 이루어지며, 또한 상기 편광필터는 상기 제2고조파광은 통과시키나 상기 기본파광은 통과시키지 않는 편광특성을 가진 레이저광을 이용하는 정보기기.The method of claim 4, wherein the conversion element is made of a nonlinear optical crystal for converting the incident laser fundamental wave light into the second harmonic light so that the polarization direction of the fundamental wave and the polarization direction of the second harmonic light are orthogonal to each other, A filter uses a laser beam having a polarization characteristic that allows the second harmonic light to pass but does not pass the fundamental light. 레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광으로 변환하는 변환소자와, 상기 변환소자에 의해 변환된 레이저광에 의해서 주사되는 감광드럼과, 상기 변환소자와 상기 감광드럼 사이의 광로중에 배설되고, 상기 고조파광은 상기 감광드럼에 도달하나 상기 기본파광은 상기 감광드럼에 도달하지 않도록, 상기 변환된 광빔중에 포함되어 있던 상기 기본파광의 광로를 상기 고조파광의 광로로부터 분리하는 분산소자.A laser light source, a conversion element for converting the laser fundamental wave light emitted from the laser light source into harmonic light, a photosensitive drum scanned by the laser light converted by the conversion element, and an optical path between the conversion element and the photosensitive drum And an optical path of the fundamental wave included in the converted light beam from the optical path of the harmonic light so that the harmonic light reaches the photosensitive drum but the fundamental wave does not reach the photosensitive drum. 제6항에 있어서, 상기 분산소자가 프리즘으로 이루어지는 레이저프린터.The laser printer according to claim 6, wherein the dispersion element is made of a prism. 제6항에 있어서, 상기 분산소자가 회절격자로 이루어지는 레이저프린터.The laser printer according to claim 6, wherein the dispersing element comprises a diffraction grating. 레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광으로 변환하는 변환소자와, 상기 변환소자에 의해 변환된 레이저광에 의해서 주사되는 감광드럼과, 상기 변환소자와 상기 감광드럼 사이의 광로중에 배설되고, 상기 고조파광은 통과시키나 상기 변환된 레이저광중에 포함되어 있던 상기 기본파광은 통과시키지 않는 편광특성을 가진 편광필터로 이루어지는 레이저프린터.A laser light source, a conversion element for converting the laser fundamental wave light emitted from the laser light source into harmonic light, a photosensitive drum scanned by the laser light converted by the conversion element, and an optical path between the conversion element and the photosensitive drum And a polarizing filter having a polarization characteristic, which is disposed in the filter and passes the harmonic light but does not pass the fundamental wave light contained in the converted laser light. 제9항에 있어서, 상기 변환소자는 기본파광의 편광방향과 제2고조파광의 편광방향이 서로 직교하도록, 입사한 레이저기본파광을 제2고조파광으로 변환하는 비선형 광학결정으로 이루어지며 또한 상기 편광 필터는 상기 제2고조파광은 통과시키나 상기 기본파광은 통과시키지 않는 편광특성을 가진 레이저프린터.The polarizing filter of claim 9, wherein the conversion element is formed of a nonlinear optical crystal for converting the incident laser fundamental wave into second harmonic light so that the polarization direction of the fundamental wave and the polarization direction of the second harmonic light are perpendicular to each other. Is a laser printer having a polarization characteristic that allows the second harmonic light to pass but does not pass the fundamental light. 레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광으로 변환하는 변환소자와, 상기 변환소자에 의해 변환된 레이저광에 의해서 정보가 그곳에 기입되거나 또는 그곳으로부터 독해되는 광디스크와, 상기 변환소자와 상기 광디스크 사이의 광로중에 배설되고, 상기 고조파광은 광디스크에 도달하나 상기 기본파광은 상기 광디스크에 도달하지 않도록, 상기 변환된 레이저광중에 포함되어 있던 상기 기본파광의 광로를 상기 고조파광의 광로로부터 분리하는 분산소자로 이루어지는 광디스크장치.A conversion device for converting a laser light source, a laser fundamental wave light emitted from the laser light source into harmonic light, an optical disc on which information is written or read therefrom by the laser light converted by the conversion device, and the conversion device The optical path of the fundamental wave included in the converted laser light from the optical path of the harmonic light so as to be disposed in an optical path between the optical disc and the harmonic light reaching the optical disc but the fundamental light does not reach the optical disc. An optical disk device comprising a dispersion element. 제11항에 있어서, 상기 분산소자가 프리즘으로 이루어지는 광디스크장치.An optical disk apparatus according to claim 11, wherein said dispersion element is made of a prism. 제11항에 있어서, 상기 분산소자가 회절격자로 이루어지는 광디스크장치.An optical disk apparatus according to claim 11, wherein said dispersing element comprises a diffraction grating. 레이저광원과, 상기 레이저광원으로부터 방사된 레이저기본파광을 고조파광으로 변환하는 변환소자와, 상기 변환소자에 의해 변환된 레이저광에 의해서 정보가 그곳에 기입되거나 또는 그곳으로부터 독해되는 광디스크와, 상기 변환소자와 상기 광디스크 사이의 광로중에 배설되고, 상기 고조파광은 통과시키나 상기 변환된 레이저광중에 포함되어 있던 상기 기본파광은 통과시키지 않는 편광특성을 가진 편광필터로 이루어지는 광디스크장치.A conversion device for converting a laser light source, a laser fundamental wave light emitted from the laser light source into harmonic light, an optical disc on which information is written or read therefrom by the laser light converted by the conversion device, and the conversion device And a polarizing filter disposed in an optical path between the optical disc and the polarizing filter having a polarization characteristic that allows the harmonic light to pass but does not pass the fundamental wave light contained in the converted laser light. 제14항에 있어서, 상기 변환소자는 기본파광의 편광방향과 제2고조파광의 편광방향이 서로 직교하도록, 입사한 레이저기본파광을 제2고조파광으로 변환하는 비선형 광학결정으로 이루어지며, 또한 상기 편광필터는 상기 제2고조파광은 통과시키나 상기 기본파광은 통과시키지 않는 편광특성을 가진 광디스크장치.15. The method of claim 14, wherein the conversion element is made of a nonlinear optical crystal for converting the incident laser fundamental wave light into the second harmonic light so that the polarization direction of the fundamental wave and the polarization direction of the second harmonic light are orthogonal to each other. The filter has a polarizing property that passes the second harmonic light but does not pass the fundamental wave light. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010768A 1988-09-09 1989-07-29 Optical system for information apparatus KR910009133B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-224673 1988-09-09
JP224673 1988-09-09
JP63224673A JPH0274360A (en) 1988-09-09 1988-09-09 Optical system for information apparatus

Publications (2)

Publication Number Publication Date
KR900005200A true KR900005200A (en) 1990-04-13
KR910009133B1 KR910009133B1 (en) 1991-10-31

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JP (1) JPH0274360A (en)
KR (1) KR910009133B1 (en)
DE (1) DE3929817A1 (en)

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KR910009133B1 (en) 1991-10-31
JPH0274360A (en) 1990-03-14
DE3929817A1 (en) 1990-03-22

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